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When the oil contains a large amount of metal ions and oxygen, the addition of antioxidants can inhibit the formation of peroxides. When citric acid is combined with antioxidants, the higher the content of these impurities in the oil, the more obvious the synergistic effect. TBHQ has good oil solubility and thermal stability, and does not change in color after heating. It can be added before and after the deodorization process of oil.
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The seed method first completely dissolves TBHQ in a small amount of oil or 95% alcohol solution, and prepares 5-10% TBHQ oil or alcohol solution. One dose is versatile and can effectively inhibit the growth of bacteria and molds. Within the scope of added applications, it can inhibit the growth of almost all bacteria and yeast, and has a good inhibitory effect on mold harmful to human health such as Aspergillus flavus.The antioxidant effect of this product is very ideal, 5-7 times stronger than BHA, BHT, and PG.
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Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0 TBHQ has been used in more than 20 countries, such as the United States, and was approved to be used in oil and fat-containing foods, fish products, biscuits, quick-cooking noodles, canned fat-containing foods, cured meat products in China in 1992.
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This may be due to TBHQ being more prone to volatilization under high temperature conditions and losing its effectiveness, and under certain conditions, TBHQ may volatilize faster than BHT. Therefore, the application of microcapsule technology can solve this problem under high temperature conditions.
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Product ApplicationsSuch as soybean oil, due to the presence of a large number of polyunsaturated fatty acids composed of glycerol vinegar (linoleic acid 52%, linolenic acid 8%), by the action of light, heat and air is easy to oxidative deterioration.
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It is a white to light gray crystalline or crystalline powder with a very slight special odor. It is soluble in ethanol, acetic acid, ethyl ester, isopropanol, ether, and oils, and is almost insoluble in water (25 ℃,<1%; 95 ℃, 5%). TBHQ is an oil soluble antioxidant that can prevent or delay the oxidation and deterioration of fats in food.
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Using isobutylene as an alkylation reagent requires a reaction under closed conditions, which can also be catalyzed by strong acids. In a mixed solvent of xylene and ketone, 85% phosphoric acid is used as a catalyst [8], and isobutylene is added to synthesize tert butylhydroquinone. The selectivity of the single tert butylation reaction can reach over 90%. Cationic resin [9] can also serve as a catalyst for this reaction, but the effect is not very ideal.
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In the study, it was also found that the antioxidant effect of TBHQ is 5-7 times that of other antioxidants, because their stability is different after reacting with peroxides. In addition, TBHQ also has characteristics such as high temperature resistance, oil solubility, and antibacterial properties, which are widely used in edible oils, fried foods, etc.
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Physical and chemical properties:Density: 1.328g/cm3Melting point: 172-175℃Boiling point: 286℃Flash factor: 141.6Refractive index: 1.612Vital temperature: 549.9℃Crucial stress: 7.45mpaIgnition temperature: 516℃Explosion limit (v/v): 15.3%Lower explosion restrict (v/v): 1.6 %Property: White needle crystal, discolored through light, with special odor.Solubility: Soluble in hot water, soluble in bloodless water, ethanol and ether, slightly soluble in benzene. Packaging, storage, transportation:1: 25kg (internet weight) kraft paper laminated bag, coated with double polyethylene plastic bag.2:
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Oil and grease antioxidant TBHQMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0TBHQ is an efficient and safe food antioxidant, which has been approved for use in more than one hundred countries and regions around the world, such as Europe, America, Asia, Australia, Africa, etc.
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Oil and grease antioxidant TBHQMolecular method: c10h14o2Molecular weight: 166.22Cas no: 1948-33-zeroTBHQ is a good and secure food antioxidant, which has been accepted to be used in multiple hundred international locations and regions around the world, together with europe, the usa, asia, australia, africa, etc.
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White or off-white crystalline powder; moderate smell, non-toxic; most important issue content ≥98.5%; relative density 1.09; melting point 212-218℃; solubility (g/100g solvent, 25℃): ethanol 35.1, acetone 39.0, ethyl acetate forty eight.eight, benzene 1.5, insoluble in fuel, insoluble in water; colorless, non-polluting, smooth to disperse, and so forth. Characteristicsf DTBHQ:Chemical call: 2,five-di-tert-butylhydroquinone (2,5-di-tert-butylhydroquinone)Abbreviation: DTBHQEnglish name: 2,five-di-tert-butylhydroquinone (DTBHQ)Molecular formula: C14H22O2Molecular weight: 222.33Type
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1.Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0The oil in oily food undergoes oxidation in the air, producing free radicals and peroxides, which are early indicators of food rancidity. Peroxides further decompose to form small organic compounds such as aldehydes, ketones, and acids, which directly affect the taste and flavor of the product and cause great harm to human health.
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1.Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-02.Product AdvantagesIn the production of PVC plastic film in the process of often appear some like 'fish-eye' things, the so-called 'fish-eye' in fact is the PVC plastic in the plasticization process fails to plasticize the look similar to the fish's eyes of the spots or transparent hard particles, PVC anti-fish-eye agent TBHQ is to solve this problem!3.Cooperative enterprisesWith the unique and excellent synthesis process, high quality and high purity products, Shandong BEST Food Techn
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1.Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0As a food additive, TBHQ has been used in more than 20 countries, such as the United States, and was approved to be used in oil and fat-containing foods, fish products, biscuits, quick-cooking noodles, canned fat-containing foods, and cured meat products in China in 1992. In the United States and China, the maximum permitted dosage of TBHQ in food is 200 ppm. the effect is not very ideal. Isobutene has higher activity than tert butanol, and its application and promotion prospects are very optimistic.
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TBHQ may volatilize faster than BHT. Therefore, the application of microcapsule technology can solve this problem under high temperature conditions. Using natural antioxidant tea polyphenols, BHA, BHT, and synergistic agent citric acid as the core material, and food grade natural substance p-cyclodextrin as the wall material, microcapsule antioxidant was prepared using microcapsule technology.Water soluble antioxidants are soluble in water and mainly used for food oxidation and discoloration.
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Physical and chemical properties:Density: 1.328g/cm3Melting point: 172-175℃Boiling point: 286℃Flash point: 141.6Refractive index: 1.612Critical temperature: 549.9℃Critical pressure: 7.45MPaIgnition temperature: 516℃Explosion limit (V/V): 15.3%Lower explosion limit (V/V): 1.6 %Property: white needle crystal, discolored by light, with special odorSolubility: soluble in hot water, soluble in cold water, ethanol and ether, slightly soluble in benzene Packaging, storage, transportation:1: 25KG (net weight) kraft paper laminated bag, lined with double polyethylene plastic bag.2: Store in a cool
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Heat the oil directly to 35-60C, add TBHQ in the required proportion, vigorously stir for 10-15 minutes to dissolve it, and then continue stirring (without vigorously stirring to prevent excessive air from entering) for about 20 minutes to ensure uniform distribution of TBHQ.The seed method first completely dissolves TBHQ in a small amount of oil or 95% alcohol solution, and prepares 5-10% TBHQ oil or alcohol solution.
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( 1)Stability in chemical reactionParylene is more effective in stabilizing the reaction process, but it discolors the resin.
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The seed method first completely dissolves TBHQ in a small amount of oil or 95% alcohol solution, and prepares 5-10% TBHQ oil or alcohol solution.
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Product ParametersTBHQ is white to light grey crystalline or crystalline powder, with very slight special smell, soluble in ethanol, acetic acid, ethyl alcohol, isopropyl alcohol, ethyl alcohol and oil, etc., a few are insoluble in water (25 ℃ <1%: 95 ℃ ﹤ 5%) TBHQ is a kind of oil-soluble antioxidant, which can prevent or prolong the oxidation of oil and fat deterioration in food.How to use the productSeed methodFirst dissolve TBHQ in a small amount of oil (or 95% alcohol solution), formulated as 5% ~ 10% of TBHQ oil (or alcohol solution), then directly or by the dosage added to the fat or
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The main cause of food deterioration during processing, transportation and storage is lipid oxidation, and the addition of antioxidants is the main means of delaying the oxidation of oil and fat products. Antioxidant is a free radical trapping agent, when it plays an antioxidant role, it can provide active hydrogen to combine with free radicals generated during oxidation of fats and oils, so that the free radicals are converted into stable compounds, blocking the free radical chain reaction, inhibiting lipid peroxidation, slowing down the oxidation of fats and oils and deterioration.
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Molecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0Palm oil antioxidant TBHQ is white to light grey crystalline or crystalline powder, with very slight special smell, soluble in ethanol, acetic acid, ethyl alcohol, isopropyl alcohol, ethyl alcohol and oil, etc., a few are insoluble in water (25 ℃ < 1%: 95 ℃ ﹤ 5%) TBHQ is a kind of oil-soluble antioxidant, which can prevent or prolong the oxidative deterioration of fats and oils in food.
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The pumping method injects the TBHQ concentrated solution prepared by the seed method into a pipeline with a fixed flow rate and flow rate of fat or oil that needs to be stable at a specified proportion through a stainless steel quantitative pump.It is better to mix it with 0010.02% citric acid.This product cannot be mixed with PG (Propyl Gallate) for use.
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